Your roof is one of the most important parts of your home — but how do you know when it’s time to replace it? Waiting too long can lead to leaks, structural damage, and expensive repairs. The good news? Your roof gives off warning signs long before things get serious.
Here are six clear signs that your roof may need to be replaced:
1. Your Roof Is Over 20 Years Old
If your roof is pushing two decades (or more), it’s likely nearing the end of its lifespan — especially if it’s made of asphalt shingles. Even if it looks okay from the ground, materials naturally wear down over time from sun, rain, and temperature swings.
👉 Pro Tip: Check your home records or home inspection report to find out when the roof was last replaced.
2. You’re Seeing Shingles Curl or Crack
Shingles are your roof’s first line of defense. If they’re curling at the edges, cracking, or looking warped, it’s a sign they’ve aged out or suffered weather damage. Missing shingles are an even clearer sign the roof is weakening.
3. Water Stains or Leaks Inside Your Home
If you notice water stains on your ceiling or walls — especially after rain — that’s a major red flag. Leaks often start small and go unnoticed until damage spreads to your interior.
👉 Tip: Check your attic regularly for signs of dampness, mold, or rot.
4. Moss or Algae Are Taking Over
Dark streaks or patches of green moss may seem harmless — but they can trap moisture against your shingles, causing them to deteriorate faster. This is especially common on roofs that don’t get much sunlight.
5. Sagging Roofline
A roof that sags in the middle or along the ridge is a serious structural issue. It could mean the underlying decking has weakened from water damage or excess weight, and immediate attention is required.
6. Your Energy Bills Are Rising
A failing roof can affect insulation and ventilation, making your HVAC system work harder. If your energy bills are creeping up and you can’t figure out why, your roof could be the hidden culprit.
Final Thoughts
Your roof won’t last forever — but catching the warning signs early can prevent bigger headaches later. If you’re unsure about your roof’s condition, schedule a professional inspection. A qualified roofer can tell you whether you need repairs, a full replacement, or just a little maintenance.
A strong roof means a safer, more energy-efficient home — and peace of mind, no matter what the weather brings.